裂解汽油加氢流程中脱戊烷塔的技术改造

Revamping of the Depentanizer of the Cracked Gasoline Hydrogenation unit

本文对上海石化年产30万吨乙烯装置的裂解汽油加氢流程中脱戊烷塔的改造技术及改造后的运行情况进行分析探讨,并提出了改造后脱戊烷塔防止结垢堵塞的一系列措施。

In this article the revamping of the depentanizer of the cracked gasoline hydrogenation unit in the 300, 000 t/a ethylene plant of Shanghai Petrochemical Co. Ltd. is presented. The running of the revamped depentanizer has been analysed and studied, and a series of precautions against scaling and plugging to the revamped depentanizer have also been suggested.